2018 BMW X3
The 2018 BMW X3 is sold in the U.S. as a gas compact SUV with 2 EPA-rated configurations. The most efficient version, the X3 xDrive30i, is EPA-rated at 25 mpg combined. NHTSA lists 11 recall campaigns for this model year, which gives it a Safety Signal grade of D. Owners have filed 76 complaints, most often about the electrical system.

Specs & fuel economy
Source: EPA fueleconomy.gov| Configuration | Powertrain | Drive | Engine / motor | City | Hwy | Comb | Annual fuel* |
|---|---|---|---|---|---|---|---|
| X3 xDrive30i | Gas | AWD | 2.0L 4-cyl turbo | 22 | 29 | 25 | $3,300 |
| X3 M40i | Gas | AWD | 3.0L 6-cyl turbo | 20 | 27 | 23 | $3,550 |
*EPA estimate at 15,000 miles/year at EPA reference fuel and electricity prices. fueleconomy.gov record ids: 39682, 39683.
Emissions & certification
Source: EPA emission certificates| Configuration | Smog rating | Emission standard | Where it can be sold new | SmartWay |
|---|---|---|---|---|
| X3 xDrive30i | 7 / 10 | California LEV-III SULEV30 / Federal Tier 3 Bin 30 | All 50 states (federal, all altitudes); California and states following California standards | — |
| X3 M40i | 5 / 10 | California LEV-III ULEV70 / Federal Tier 3 Bin 70 | All 50 states (federal, all altitudes); California and states following California standards | — |
Certified for all fifty states, so it can be registered new anywhere in the U.S.
The smog rating scores tailpipe pollutants other than greenhouse gases, 1 (worst) to 10 (best), and is comparable only within a model year. The standard is the federal bin or California tier the configuration was certified to. Both come from the EPA certificate behind the window sticker.
Specifications filed with NHTSA
Source: NHTSA vPICDimensions Exterior
| Body style | Sport Utility Vehicle [SUV]/Multipurpose Vehicle [MPV] |
| Doors | 4 |
| GVWR class | Class 1D: 5,001 - 6,000 lb (2,268 - 2,722 kg) |
Engine Basics
| Cylinders | 4 |
| Displacement | 2 L |
Engine Output
| Horsepower | 248 hp |
Fuel Economy
| Fuel | Gasoline |
Seating
| Seat rows | 2 |
| Seating capacity | 5 seats |
Transmission
| Drivetrain | AWD/All-Wheel Drive |
| Transmission | Automatic |
| Transmission speeds | 8 |
Driver assistance
Standard: Anti-lock brakes, Backup camera, Electronic stability control, Forward collision warning
Optional: Adaptive cruise control, Automatic emergency braking, Blind-spot monitoring, Lane departure warning, Lane keeping assist, Parking assist
Filed by the manufacturer with NHTSA under the federal vehicle-identification rule and decoded from the VIN pattern — not a manufacturer press kit, so it describes the configurations we could identify rather than every trim (seen: M40i, sDrive30i). Figures for the trim you are looking at may differ.
Dimensions & weight
Source: Transport Canada| Length | 185.4 in |
| Width (body, without mirrors) | 74.4 in |
| Height | 66.1 in |
| Wheelbase | 112.6 in |
| Track, front | 63.0–63.8 in |
| Track, rear | 63.8–64.6 in |
| Curb weight | 4,151–4,228 lb |
| Weight distribution, front/rear | 50/50 |
Measured by Transport Canada for its Canadian Vehicle Specifications database, which covers the North American versions of each model — here 2 configurations: M40I 4-door SUV, xDrive30I 4-door SUV. Where a range is shown, those versions differ. Width is the body without mirrors, which is why it can read narrower than a brochure figure. Before we used it we checked it against the US manufacturer press kits we hold (27 Sep 2026): wheelbase agreed within 1% on every vehicle we could compare, length on 98%, and the curb weight fell inside the manufacturer's range on 96%. Source dataset. Contains information licensed under the Open Government Licence – Canada. Licence.
Factory warranty running out?
The 2018 BMW X3 is in the years where transmission, electronics and drivetrain repairs land on the owner. What an extended plan does and does not cover is worth reading before a dealer quotes you one.
What to check before you buy →Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.
Recalls (11)
Source: NHTSA recall databaseStructure
Air Bags
Electrical System
Back Over Prevention
Seats
Service Brakes, Hydraulic
Exterior Lighting
Lane Departure
Structure
Electrical System
These are vehicle campaigns — the ones the automaker filed against this model. NHTSA also records equipment recalls, filed by a parts maker against a component (a tyre, a child seat, an aftermarket part), and those are not listed here or counted above. nhtsa.gov/recalls shows both for a VIN.
Whether any of this applies to one specific X3
A campaign covers a build range, not a model year, so two identical-looking cars from 2018 can differ. Both of these check a VIN against the manufacturer’s own list, free, in about ten seconds. BMW publishes its own lookup because federal rule 49 CFR 573.15 requires it to, and to keep it current to within seven days.
Hear about a recall before the letter does
The manufacturer’s letter is the last step of a recall: it has up to 60 days after filing to mail owners, at the address on the registration. We email you the day NHTSA posts a recall on the 2018 BMW X3, with what to do next. Nothing else, ever — no newsletter, no marketing, one-click unsubscribe in every message.
Parts & accessories for the 2018 BMW X3
Search by fitment on eBay Motors — OEM take-offs, aftermarket, and the trim pieces dealers no longer stock. The listing and the price are the seller's.
Find parts for this X3 →Owner complaints
Source: NHTSA complaint database4 involved a crash · 2 a fire · 2 injuries · 0 deaths reported
22 per 10,000 built · BMW reported 34,871 X3 built (its Early Warning production report to NHTSA)
Filed per year: 2018: 7 · 2019: 6 · 2020: 5 · 2021: 2 · 2022: 3 · 2023: 5 · 2024: 14 · 2025: 24 · 2026: 10
Most-cited components
In owners' own words
Filed with NHTSA by the people who own these cars, one per problem area. Quoted as written, with anything identifying removed.
The oil filter housing, which is made of plastic, cracked while the vehicle was running on the highway, leading to sudden loss of the all the coolant and engine overheating
Something is wrong with the BMW OEM windshields with HUD. I have had to completely replace 3 in 5 years. In between replacements have had Safeliite try and fill pits in it. My last windshield lasted 21 days before cracking on the side at the very edge.
The trunk on the vehicle can be opened while on the freeway. If you bump the trunk open switch or key fob button the trunk will open even when the car is in motion leading to personal belongings being thrown all over the road. This is a massive issue that should have been caught and fixed immediately
I am writing to report a potential safety problem with my 2018 BMW X3, VIN: (provide VIN here if available), that was purchased in May 2018 and has covered 36,000 miles since then. The vehicle has always been garaged and well-maintained. A few weeks ago, I experienced a critical malfunction with the vehicle's moonroof.
First Failure 3/22- Vehicle makes clanking/rattling of metal sound when going over bumps. Sound is felt near driver caliper and rattles. Can be felt in steering. 4/22 Vehicle is taken to BMW for inspection; needed to come back as they couldn't figure it out. 5/22 Vehicle sound is replicated by BMW dealer service center.
The contact owns a 2018 BMW X3. The contact stated that while driving at an undisclosed speed, the brake pedal went to the floorboard while depressed; however, the brakes failed to stop the vehicle. The contact was able to steer the vehicle into a gas station before the vehicle came to a complete stop.
Complaint counts are raw owner reports to NHTSA, not verified defects, and scale with how many were sold. Use them to spot patterns, not to rank.
Reported by BMW itself: 11 death-or-injury claims on this model year in its quarterly Early Warning reports to NHTSA (49 CFR 579.21): 13 injured, as claimed, not verified — about 32 per 100,000 built. Every X3 model year, by year and system → Dated and by system, they are exhibit F of the defect dossier.
When owners reported it
miles, typically
Half the 25 owner reports with an odometer reading on file fall between 6,000 and 62,000 miles. That is when problems get reported, which is not the same as when they start — and not a failure rate, because nobody knows how many of these cars never had a problem at all.
Odometer readings as filed by owners with NHTSA. Readings under 100 or over 400,000 miles are dropped as data entry rather than history, and a component needs at least 12 readings before a median is shown for it.
Crash ratings
Source: NHTSA NCAPNHTSA has not published 5-Star crash ratings for this model year.
Service bulletins & campaigns
Source: NHTSA manufacturer communications- 15 years or 150,000 miles · BMW warranty extension 1613911200The NVLD modules limited warranty for defects in materials and/or workmanship has been extended to 15 years / 150,000 miles as determined from the vehicles original in-service / first delivery date.
- 15 years or 150,000 miles · BMW warranty extension 1390900300For this vehicle, the EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles, from the original 10 years/120,000 miles…
- Term not in NHTSA’s summary · BMW warranty extension 6577900600A situation may occur where the front passenger seat is not occupied.
- Term not in NHTSA’s summary · BMW warranty extension B010520The vehicle demonstrates a power loss and the malfunction indicator lamp (MIL) on.
- 10 years or 120,000 miles · BMW warranty extension 6112900300The limited warranty for the Knee Air Bag wire harness repair cable procedure for defects in materials and / or workmanship has been extended to 10 years / 120,000 miles as determined from the…
- 15 years or 150,000 miles · BMW warranty extension B011524The NVLD limited emissionrelated warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date.
3 more in this page’s JSON.
The term and the vehicles it covers are the manufacturer’s, as NHTSA’s summary of each filing states them; a dealer checks one particular car by its VIN. Every BMW warranty extension (46) → · Every warranty extension on file, all makes →
Most often about: Electrical System, Equipment, Engine, Visibility/Wiper, Structure.
- B010921 Warranty extension2026-08-03 · Engine
- The NVLD limited emissionrelated warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date.
- B010324 Warranty extension2026-05-06 · Engine
- The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.
- B720325 Warranty extension2025-06-11 · Air Bags
- The Supplemental Restraint Systems (SRS) Front Passenger’s Seat Occupancy Capacitive Interior Sensor (CIS) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in-service / first delivery date.
- B661719 Service bulletin2025-04-30 · Service Brakes
- The vehicle applies the brakes on its own when reversing onto an inclined roadway or driveway. This appliesonly to the situation where the Active PDC option is activated via the iDrive.
- B650122 Warranty extension2025-01-06 · Air Bags
- The limited warranty for the Knee Air Bag wire harness repair cable procedure for defects in materials and / or workmanship has been extended to 10 years / 120,000 miles as determined from the original first in-service / delivery date.
- B011524 Warranty extension2024-12-11 · Engine
- the NVLD limited emissionrelated warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service date.
- B512824 Service campaign2024-10-11 · Unknown Or Other
- DELIVERY STOP: REAR CARGO RAILS
- B010324 Warranty extension2024-05-02 · Engine
- EVAP SYSTEM PURGE (VENT) VALVE EXT LTD WTY (ELW) 15/150
A service bulletin is the manufacturer telling its dealers how to diagnose or repair a known condition. It is not a recall, not a finding that the vehicle is defective, and the work is not automatically free — though a bulletin is often what a dealer works from when you describe a symptom, so quoting the document number can save a diagnosis. The count is every communication filed; the list shows the most recent, one entry per campaign, because a single campaign is usually filed as several documents on the same day. The summaries are NHTSA's; the full documents come from the manufacturer.
At the New York inspection station
Source: New York State DMVIn New York’s inspection lanes over the 12 months to Oct 10, 2026, the 2018 BMW X3 failed the emissions check on 2.5% of first inspections — close to the 3.0% for every 2018 model-year vehicle inspected; and the safety inspection on 0.94% (every 2018 vehicle: 1.9%).
failed emissions
1,799 initial inspections of 1,757 vehicles.
| Measure | The 2018 X3 | Every 2018 vehicle | Behind it |
|---|---|---|---|
| Failed the emissions check | 2.5% | 3.0% | 1,794 |
| Failed the safety inspection | 0.94% | 1.9% | 1,799 |
| Air-bag warning lamp stayed lit | 0.28% | 0.22% | 1,799 |
| Miles driven a year | 8,734 | 10,002 | odometer at inspection |
| Average odometer | 72,164 | 82,833 | odometer at inspection |
New York’s emissions test on these model years is an on-board diagnostics check: it fails a car whose check-engine light is on or whose self-tests have not finished. First inspections only, so a car that failed and came back is counted once; private and special plates, not taxis, livery or commercial plates. A rate appears only where at least 200 inspections stand behind it. “Every 2018 vehicle” is every 2018 model-year car, SUV and pickup inspected in the same window, all makes. This is the state’s record of test results, not a reliability score by itself. Source: New York State Department of Motor Vehicles, Vehicle Inspections (data.ny.gov, Open NY terms).
Common questions about the 2018 X3
Source: EPA, NHTSA and manufacturer press kitsDoes the 2018 BMW X3 have any recalls?
NHTSA has posted 11 recall campaigns for the 2018 BMW X3. The most serious on file is 24V764000, covering Structure. Check your own VIN at nhtsa.gov/recalls; a recall applies to specific build ranges, not every car.
How safe is the 2018 BMW X3?
NHTSA has not published a crash-test rating for the 2018 BMW X3 yet. On the recall record WhichTrim grades it D (60/100), which measures open and severe recalls rather than crash protection.
What is the fuel economy of the 2018 BMW X3?
Across the 2 EPA-rated configurations of the 2018 BMW X3, the best EPA combined figure is 25 mpg. Figures are the EPA's own, per configuration, and every one is listed above.
What are the dimensions of the 2018 BMW X3?
Transport Canada measured it at 185.4 in long, 74.4 in wide (body, without mirrors), 66.1 in tall, on a 112.6 in wheelbase. Curb weight: 4,151–4,228 lb depending on configuration. Those are its measurements of the North American versions; every figure is in the table above.
What do owners complain about on the 2018 BMW X3?
Owners have filed 76 complaints with NHTSA about the 2018 BMW X3, most often about electrical system, engine, unspecified. Of those, 4 involved a crash, 2 a fire, 2 reported injuries. Complaints are unverified owner reports, so treat the pattern as a signal and the individual report as an anecdote.
How clean is the 2018 BMW X3?
The EPA smog rating for the 2018 BMW X3 runs 5 to 7 out of 10 across its configurations. That score covers tailpipe pollutants other than greenhouse gases, and it only compares vehicles within the same model year. It is certified for all fifty states, so it can be registered new anywhere in the U.S. Its configurations were certified to different standards — California LEV-III SULEV30, California LEV-III ULEV70, Federal Tier 3 Bin 30, Federal Tier 3 Bin 70 — which the table above lists per configuration.
Are there service bulletins for the 2018 BMW X3?
The manufacturer has filed 389 service bulletins and related communications with NHTSA for the 2018 BMW X3, most often covering electrical system, equipment, engine. The most recent is dated 2026-08-03. A bulletin is not a recall: it is the repair procedure a manufacturer sends its dealers for a condition it knows about, and the work is not automatically paid for. It is still worth knowing — if the symptom matches, quoting the bulletin number at the service desk can save a diagnosis. The document numbers and summaries are listed above.
How does the 2018 BMW X3 do at state inspection?
In New York’s inspection lanes over the 12 months to Oct 10, 2026, the 2018 BMW X3 failed the emissions check on 2.5% of first inspections — close to the 3.0% for every 2018 model-year vehicle inspected; and the safety inspection on 0.94% (every 2018 vehicle: 1.9%). The figures are New York State DMV’s own inspection records, first inspections only, and the table above sets each one against every vehicle of the same model year.
What we hold, and what an empty row means
Paid vehicle-history reports will not tell you the difference between “nothing happened to this car” and “we never received that record” — both of the big two say as much in their own help pages. Most of what is on this page comes from complete federal registers, so we can tell you which is which, row by row.
| Data | Held | Source | What it covers — or what empty means |
|---|---|---|---|
| Fuel economy & configurations | 2 configurations | EPA certification records | Every configuration the EPA certified for sale, with its own test figures. |
| Emission certificates | 2 configurations | EPA emission certificates | Smog rating, standard and the sales area that decides where the car can be sold new. |
| Recalls | 11 | NHTSA recall campaigns | A complete federal register: every campaign covering this model year, with severity and advisory flags. |
| Owner complaints | 76 | NHTSA complaint database | Also complete, but unverified: these are reports owners filed, not findings. Counts scale with how many were sold. |
| Crash ratings | none | NHTSA NCAP | NHTSA has not tested this model year. Cars are selected for testing, so untested is not unsafe. |
| Service bulletins | 389 | NHTSA manufacturer communications | Everything the manufacturer told its dealers about a defect or malfunction, short of a recall. |
| Investigations | none | NHTSA Office of Defects Investigation | No defect investigation has been opened. |
| Driver-assist crash reports | none | NHTSA Standing General Order 2021-01 | No report has been filed. Only entities named in the order report, and only crashes they hear of — so this is also what an unequipped car, or a manufacturer without telematics, looks like. |
| Specifications filed with NHTSA | 12 fields | NHTSA vPIC, decoded from VIN patterns | What the manufacturer filed under the federal VIN rule — a configuration, not the full trim ladder. |
| Measured dimensions | 7 fields | Transport Canada, Canadian Vehicle Specifications | Length, width, height, wheelbase, track and curb weight, measured on the North American versions. |
| Trims, pricing & equipment | none | Manufacturer press kit | We have not transcribed a press kit for this model year yet. This is our gap, not the manufacturer's — the one row here where an empty cell means we are behind. |
Rebuilt nightly; this page was generated 2026-10-26. Every figure above is traceable to the source named beside it, and the JSON for this page carries the same values with their identifiers.
Sources & method
Safety Signal starts every model-year at 100 and subtracts points per open NHTSA recall campaign by severity: critical 15 (fire risk, park-outside or do-not-drive advisories), high 8 (brakes, steering, airbags, loss of drive power, structure, battery), moderate 6, minor 3 (software, labels, lighting fixed by an update). The most serious recall counts in full and each further one counts 85% of the one before, because a vehicle sold in millions is recalled more often than a rare one without being more dangerous — and because a flat subtraction bottomed the scale out, scoring a vehicle with 22 recalls within a point of one with six. A ≥ 90, B ≥ 80, C ≥ 70, D ≥ 60, otherwise F. Read it as what it counts: recall campaigns on the federal record, weighted by severity. The damping reduces the sales bias by roughly 40% but does not remove it: like our complaint counts, this is not normalized by how many were sold, so a best-seller still scores somewhat worse than an obscure model with the same real risk. NHTSA crash ratings, do-not-drive and park-outside advisories, and the crash, fire, injury and death counts in owner complaints are reported separately on every page and never blended into the letter — a vehicle can hold five stars and a poor letter at once, and where that happens we say so rather than leave you to notice. Because the scale subtracts from a clean sheet, a model year too new to have been recalled, complained about or bulletined scores full marks on an empty record; we label those grades provisional rather than present them as earned.
EPA figures come from fueleconomy.gov vehicle records. Recalls, complaints, investigations and crash ratings come from NHTSA's public flat files, refreshed nightly.